期刊
ADVANCED FUNCTIONAL MATERIALS
卷 27, 期 28, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201700802
关键词
carbon black; oxygen reduction reaction; single atom catalysts; zinc
类别
资金
- National Basic Research Program of China (973 Program) [2014CB932700]
- National Natural Science Foundation of China [U1601211, 21503212, 21433003, 21633008, 21422307, 21503211]
- the Recruitment Program of Global youth Experts of China
- Science and Technology Innovation Foundation of Jilin Province for Talents Cultivation [20160519005JH]
- Jilin Youth foundation [20160520137JH]
3 The authors report first a new type of nitrogen-triggered Zn single atom catalyst, demonstrating high catalytic activity and remarkable durability for the oxygen reduction reaction process. Both X-ray absorption fine structure spectra and theoretical calculations suggest that the atomically dispersed Zn-N-4 site is the main, as well as the most active, component with O adsorption as the rate-limiting step at a low overpotential of 1.70 V. This work opens a new field for the exploration of high-performance Pt-free electrochemical oxygen reduction catalysts for fuel cells.
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